1) Gulf of Riga tributary 2) River in latvia 3) White Sea gulf 
Also calledLatvian,a river rising in the Valdai Hills in the W Russian Federation, flowing W through Byelorussia (Belarus) and Latvia to the Baltic Sea at Riga. ab. 640 mi. (1030) long. · Also calleda river in the N Russian Federation in Europe, flowing NW into the White Sea. ab. 470 mi. (750 km) long.