Why it's the capital
Riga was founded in 1201, when Bishop Albert moved the seat of his bishopric there, and it joined the Hanseatic League of trading towns in 1282. When Latvia declared independence on 18 November 1918, Riga became its capital.
Capital of LatviaRiga lies on the Daugava River where it flows into the Gulf of Riga, a bay of the Baltic Sea between Latvia and Estonia.
Riga was founded in 1201, when Bishop Albert moved the seat of his bishopric there, and it joined the Hanseatic League of trading towns in 1282. When Latvia declared independence on 18 November 1918, Riga became its capital.
Find the Gulf of Riga, the big bay cut into the coast of Latvia and Estonia. Riga is at its southern end, where the Daugava flows in.
The three Baltic capitals are easy to mix up. From north to south they are Tallinn (Estonia), Riga (Latvia) and Vilnius (Lithuania), so Riga is the one in the middle.
Sources: Wikipedia: Riga, Wikipedia: Riga Central Market, Wikipedia: Gulf of Riga, Wikipedia: Latvia, Wikipedia: Baltic states