Sofia surprises almost everyone who arrives without high expectations. The Bulgarian capital is a city of contrasts where, within a few blocks, you find the golden domes of Orthodox cathedrals, Roman ruins uncovered while digging the metro, a working Ottoman mosque, a Sephardic synagogue and the heavy buildings of socialist realism. All of it at the foot of Mount Vitosha, which looms green in summer and snowy in winter as the backdrop to one of the most affordable and relaxed capitals in Europe.
The city's undisputed symbol is the Alexander Nevsky memorial cathedral, with its golden domes and an interior of marble and frescoes, raised in honour of the soldiers who freed Bulgaria from Ottoman rule. But Sofia is much more: the small church of Saint Sofia that gave the city its name, the Roman rotunda of St George hidden among government buildings, the 'Triangle of Tolerance' where a cathedral, a mosque and a synagogue almost touch, and the ruins of ancient Roman Serdica, now built into a working metro station.
This guide walks you through Sofia in practical, down-to-earth terms: what to see in the compact historic centre, how to get around on its comfortable metro, what things cost now that Bulgaria has adopted the euro, where to eat banitsa and drink Bulgarian wine, and how to escape to Vitosha or Rila Monastery. Sofia is a city for walking without hurry, with friendly prices, good food and a very rich history that shows up on every corner.
Sofia's history is one of the longest in Europe. These lands were home to the Thracian tribe of the Serdi, who gave their name to the first big settlement: Serdica. Conquered by Rome in the 1st century, Serdica flourished as a Roman city; the emperor Constantine the Great was so fond of it that he is said to have declared 'Serdica is my Rome'. It was an early Christian centre (the Council of Serdica was held here in 343) and later, as Sredets, it formed part of the First and Second Bulgarian Empires. In 1382 it fell to the Ottomans and for almost five centuries it was a city of the Ottoman Empire, with mosques and Turkish baths, a period from which the Banya Bashi mosque and the church-mosque in the area survive. After the Russo-Turkish war of 1877-1878, which liberated Bulgaria, Sofia was chosen in 1879 as the capital of the new Bulgarian principality, and went through rapid modernisation with boulevards, palaces and the great Alexander Nevsky cathedral. The 20th century brought the Balkan wars, the two world wars, the Allied bombing of 1943-1944 and then four decades of a communist regime aligned with Moscow, which left its mark on the 'Largo' and other monumental buildings. With the fall of the regime in 1989 and Bulgaria's entry into the European Union in 2007, Sofia opened up to the world. The full story is on our history page.
Read the full history ↓Bulgaria's mountainous west brings together the capital, Sofia, and the country's great sanctuaries and massifs: Rila Monastery, Vitosha, Pirin and the Belogradchik rocks.
Read the history of Sofia and the west →No exact prices: a scale from $ (budget) to $$$$$ (luxury), with 2-3 options per category.
Origins, formation and what the sources say.
Sofia is one of the oldest continuously inhabited cities in Europe: in the valley where the Bulgarian capital now spreads out there are traces of settlement going back more than seven millennia. In antiquity the area was inhabited by the Thracian tribe of the Serdi, who gave their name to the first large urban centre: Serdica. The Thracians, a people of warriors, horsemen and goldsmiths whose gold still astonishes visitors in Bulgarian museums, dominated these lands before Rome arrived.
In the 1st century AD the city was absorbed into the Roman Empire and prospered as Ulpia Serdica, capital of the region, at a strategic crossroads of roads between central Europe, Constantinople and Asia Minor. From that Roman Serdica there remain today, dug up in the very centre while the metro was being built, cobbled streets, walls, baths, a basilica and the remains on display next to Serdika metro station. The city had walls, forums, public buildings and baths fed by the thermal waters that still rise from beneath Sofia.
The city's most famous link with Rome was left by the emperor Constantine the Great, who lived in Serdica for long periods and is said by tradition to have declared 'Serdica is my Rome' (Serdica mea Roma est). In the year 343 the city also hosted the Council of Serdica, an important gathering of the early Church. Serdica was, in short, an important city of the late Roman and early Christian world.
After the fall of the Western Roman Empire, Serdica fell within the Byzantine (Eastern Roman) Empire. In the 6th century, under the emperor Justinian, the present church of Saint Sofia was built, the red-brick basilica that would in time give the whole city its name. The city, badly damaged by invasions and earthquakes, was rebuilt several times.
From the 7th century onwards, with the arrival of the Bulgars and the Slavs in the Balkans and the founding of the First Bulgarian Empire, the city — known in this period as Sredets — was contested between Byzantium and the young Bulgarian state. It passed definitively into Bulgarian hands in the 9th century, in the time of Khan Krum and his successors, and became an important administrative, commercial and religious centre in the heart of the Balkans. During the First and Second Bulgarian Empires, Sredets was a road junction and a significant bishopric.
It was in this medieval period that the city began to be known by the name of its main church, Sveta Sofia ('Holy Wisdom'). The name 'Sofia' slowly displaced the old Sredets over the late Middle Ages, until it stuck as the city's name. The medieval centuries also left jewels such as the frescoes of the nearby Boyana church (1259), a peak of European art of its time and today a UNESCO World Heritage Site.
In 1382, after a long siege, Sofia fell to the Ottoman Empire, which held it for almost five centuries. Because of its central position in the Balkans, the city became an important Ottoman administrative centre: for a long time it was the seat of the beylerbey of Rumelia, that is, the governor of all the Ottoman provinces in the Balkans. Sofia was a city of garrison, trade and caravans on the great route linking Istanbul with Belgrade and central Europe.
The Ottoman imprint transformed the urban landscape. Numerous mosques, madrasas, caravanserais and Turkish baths were built, making use of the city's thermal waters. From that period the Banya Bashi mosque survives, the work of the celebrated architect Mimar Sinan (1566), still in use, as does the building that was the Büyük mosque (Great Mosque), today the National Archaeological Museum. Many churches were turned into mosques, among them the rotunda of St George and Saint Sofia itself.
Under Ottoman rule the population was mixed — Christian Bulgarians, Muslim Turks, Sephardic Jews who arrived after the expulsion from Spain in 1492, Armenians and others — a diversity that left its mark on the city. But the weight of taxes, the revolts and the repression fed what became known in the 19th century as the Bulgarian National Revival, a cultural and political awakening that demanded independence. Liberation would come with the Russo-Turkish war of 1877-1878.
The Russo-Turkish war of 1877-1878 put an end to Ottoman rule. Russian troops, with Bulgarian and Romanian support and volunteers from several countries, defeated the Ottoman Empire, and the Treaty of San Stefano and then the Congress of Berlin (1878) gave birth to an autonomous Bulgarian state. The sacrifice of those soldiers — around 200,000 dead — would later be honoured with the building of the great Alexander Nevsky cathedral.
In 1879, the young National Assembly chose Sofia as capital of the new Principality of Bulgaria, over the old medieval capital Veliko Tarnovo, because of its central and strategic position. The decision completely transformed the city, which at that point was a relatively modest place still oriental in appearance. Within a few decades Sofia modernised at forced march: broad boulevards were laid out, palaces, ministries, theatres, the university, gardens and the memorial cathedral were built, with help from European architects and engineers. Many mosques were demolished and the city took on a European look.
The Sofia of the late 19th and early 20th centuries grew fast and lived through the turbulent episodes of the young Bulgarian nation: the unification with Eastern Rumelia (1885), the proclamation of full independence (1908), the Balkan wars (1912-1913) and the two world wars. In the Second World War, allied at first with Nazi Germany, Bulgaria nonetheless played out a singular episode: mobilisation by civil society, the Orthodox Church and some politicians managed to stop the deportation of the roughly 48,000 Bulgarian Jews to the extermination camps, saving almost the whole community, though not the Jews of the occupied territories. Sofia suffered heavy Allied bombing in 1943-1944.
At the end of the Second World War, in September 1944, a coup backed by the Soviet Union brought the Fatherland Front to power and opened the communist period, which would last until 1989. In 1946 the monarchy was abolished and the People's Republic of Bulgaria was proclaimed, one of Moscow's most loyal allies in the Eastern bloc, under the long leadership of Todor Zhivkov.
Those decades left a visible mark on Sofia. The city was industrialised, huge districts of housing blocks were built on the outskirts and monumental Stalinist architectural ensembles were raised, such as the 'Largo', the complex of official buildings in the centre (the former Party House and the seats of government). Mausoleums and monuments were erected, and art and public life were placed under state control. At the same time, education, healthcare and infrastructure were expanded.
The regime collapsed in November 1989, a few days after the fall of the Berlin Wall, and Bulgaria began a difficult transition to democracy and a market economy. In 2004 the country joined NATO and in 2007 the European Union. The most recent and symbolic step came on 1 January 2026, when Bulgaria adopted the euro and Sofia became the capital of the twenty-first country in the eurozone, closing a long road of European integration.
Today's Sofia is a dynamic capital in full transformation, combining its very rich past — Thracian, Roman, Byzantine, Ottoman and communist — with a young cultural life, a booming food scene and the unique advantage of having a mountain, Vitosha, practically inside the city. It is, as its motto says, a city that 'grows but does not age'.