What is the capital of San Marino?
The capital of San Marino is City of San Marino
City of San Marino is the capital city and seat of government of San Marino, a country in Southern Europe. San Marino uses the ISO codes SM and SMR, and its international dialling code is +378. The currency in use is the Euro (EUR).
For the full profile of San Marino, including its flag, currency, calling code, population and the countries it borders, see the San Marino country page. The country has an estimated population of 34,109 as of 2025.
Quick facts about San Marino
- Capital: City of San Marino
- Region: Southern Europe
- Currency: Euro (EUR)
- Calling code: +378
- Flag emoji: 🇸🇲
Frequently asked questions
What is the capital of San Marino?
The capital of San Marino is City of San Marino.
Is City of San Marino the largest city in San Marino?
City of San Marino is the capital of San Marino and its seat of government. In many countries the capital is also the largest city, though not always, so the biggest city by population can differ.
What currency is used in City of San Marino?
City of San Marino, like the rest of San Marino, uses the Euro (EUR, symbol €).
Capitals of neighbouring countries
Capital and country data from open datasets. Full sources on the data page.