Open Travel Guide
History of Zagreb

Zagreb History & Heritage Guide 2026

The history of Zagreb told through its places: sites worth the detour and the context they need.

The short answer: start with Zagreb Cathedral, Stone Gate (Kamenita vrata) and Lotrščak Tower. This guide profiles 13+ historical sites in Zagreb, with prices, timing, and the practical notes that decide whether each one earns a place in your plan.

Zagreb is the capital and largest city of Croatia, a relaxed Central European city of about 770,000 people where Habsburg-era streets, a medieval hilltop Upper Town, and a lively cafe culture sit side by side. It is known for the Museum of Broken Relationships, the Dolac market, the Tkalčićeva street terraces, Mirogoj cemetery, and one of Europe's best-loved Advent festivals.

Historical timeline

Key moments that shaped Zagreb.

  1. 1

    Foundation of the Zagreb Diocese

    1094 AD

    King Ladislaus I of Hungary founds the Diocese of Zagreb on Kaptol hill, the first documented date in the city's history and the origin of the cathedral precinct

  2. 2

    Golden Bull of Béla IV

    1242

    After the Mongol (Tatar) invasion, King Béla IV grants Gradec the status of a free royal city in the Golden Bull and the town builds walls and towers

  3. 3

    Gradec Fortified

    1242-1266

    The residents of Gradec build defensive walls and gates, including the Stone Gate, to defend the Upper Town

  4. 4

    Croatian Sabor Seat

    1557

    The Croatian Parliament (Sabor) begins to meet regularly in Zagreb, which becomes the political centre of the Kingdom of Croatia

  5. 5

    Jesuit Grammar School

    1669

    The Jesuits found a grammar school in Gradec, the seed of the University of Zagreb, with the Baroque Church of St. Catherine following in 1632-1646

  6. 6

    Royal Council Moves to Zagreb

    1776

    The Croatian Royal Council moves from Varaždin to Zagreb, confirming the city as the capital of Croatia

  7. 7

    Union of Gradec and Kaptol

    1850

    The two rival settlements, Gradec and Kaptol, are merged with the surrounding villages into a single city

  8. 8

    University of Zagreb Founded

    1874

    The modern University of Zagreb opens its doors, the oldest continuously operating university in the region

  9. 9

    Great Earthquake

    1880

    A magnitude 6.3 earthquake damages many buildings and prompts large reconstruction, including the Neo-Gothic cathedral by Hermann Bollé and the Lower Town

  10. 10

    Kingdom of Serbs, Croats and Slovenes

    1918

    At the end of World War I, Croatia leaves Austria-Hungary and joins the new Kingdom of Serbs, Croats and Slovenes, later Yugoslavia

  11. 11

    World War II

    1941-1945

    Zagreb becomes the capital of the Axis-aligned Independent State of Croatia before liberation by Partisan forces in May 1945

  12. 12

    Socialist Yugoslavia

    1945

    Zagreb becomes the capital of the Socialist Republic of Croatia within federal Yugoslavia, with large post-war expansion south of the Sava (Novi Zagreb)

  13. 13

    Declaration of Independence

    1991

    Croatia declares independence on 25 June 1991 and Zagreb is the capital of the new state during the Croatian War of Independence

  14. 14

    Croatia Joins the EU

    2013

    Croatia joins the European Union on 1 July 2013, and adopts the euro and Schengen on 1 January 2023

  15. 15

    Zagreb Earthquake

    2020

    On 22 March 2020 a magnitude 5.3 earthquake strikes Zagreb, damaging the cathedral spire and many historic buildings, with restoration continuing since

Historical sites

Places where Zagreb's past comes alive.

Medieval to Neo-Gothic (13th-19th century)

Zagreb Cathedral

The seat of the Archbishop of Zagreb, a Neo-Gothic cathedral with two 105 m spires, on the site of an 11th-century church.

Where: Kaptol 31, Zagreb

Admission: Free; Treasury by arrangement

Medieval (13th century)

Stone Gate (Kamenita vrata)

The only surviving gate of the medieval walls of Gradec, with a shrine to the Virgin Mary.

Where: Kamenita ulica, Gradec, Zagreb

Admission: Free

Medieval (13th century)

Lotrščak Tower

A 13th-century defensive tower of Gradec's southern wall, known for the noon cannon.

Where: Strossmayerovo šetalište 9, Gradec, Zagreb

Admission: €6 (~$7)

Gothic (13th-14th century) with 19th-century reconstruction

St. Mark's Church

The Gothic parish church of the Upper Town, with the famous tiled roof showing the arms of Croatia and Zagreb.

Where: Trg Svetog Marka 5, Gradec, Zagreb

Admission: Free (exterior); interior at set times

Neo-Renaissance (1876)

Mirogoj Cemetery

A monumental city cemetery with arcades and domes, designed by Hermann Bollé.

Where: Mirogojska cesta 10, Zagreb

Admission: Free

Neo-Baroque (1895)

Croatian National Theatre

An opulent Neo-Baroque opera house built for Emperor Franz Joseph's 1894 visit, designed by Fellner and Helmer.

Where: Trg maršala Tita 15, Zagreb

Admission: Free to view exterior; performances ticketed

17th century house; museum since 1952

Meštrović Atelier

The former home and studio of sculptor Ivan Meštrović.

Where: Mletačka 8, Gradec, Zagreb

Admission: €10 (~$12)

Collections from prehistory to the Middle Ages

Archaeological Museum Zagreb

The museum of the Vučedol Dove and the Zagreb Mummy with the Etruscan linen book.

Where: Trg Nikole Šubića Zrinskog 19, Zagreb

Admission: €8 (~$9)

Baroque palace (18th century); museum since 2010

Museum of Broken Relationships

A modern museum in the Baroque Kulmer Palace, built on donated objects from ended relationships.

Where: Ćirilometodska 2, Gradec, Zagreb

Admission: €10 (~$12)

17th-century convent; museum since 1907

Museum of the City of Zagreb

The city history museum in the former Convent of St. Claire next to the Lotrščak Tower.

Where: Opatička 20, Gradec, Zagreb

Admission: €8 (~$9)

Neo-Renaissance (1883)

Mimara Museum

A major art museum housed in a former school building, with the collection of Ante Topić Mimara.

Where: Rooseveltov trg 5, Zagreb

Admission: €10 (~$12)

Historicism (1888)

Museum of Arts and Crafts (MUO)

A decorative-arts museum in a Hermann Bollé building at the head of the Green Horseshoe.

Where: Trg Republike Hrvatske 10, Zagreb

Admission: €8 (~$9)

Mid-20th century (1943)

Grič Tunnel

A WWII-era civil shelter tunnel under the Upper Town, now a pedestrian passage and event space.

Where: Radićeva 20 / Tkalčićeva 11a, Zagreb

Admission: Free