Riga Technical University (RTU) is the oldest technical university in the Baltic countries established on October 14, 1862. It is located in Riga, Latvia and was previously known as 'Riga Polytechnical Institute' and 'Riga Polytechnicum'.

Riga is the capital, primate, and the largest city of Latvia, as well as the most populous city in the Baltic States. Home to 609,489 inhabitants, the city accounts for a third of Latvia's total population. The population of Riga metropolitan area, which stretches beyond the city limits, is estimated at 860,142. The city lies on the Gulf of Riga at the mouth of the Daugava river where it meets the Baltic Sea. Riga's territory covers 307.17 km2 (118.60 sq mi) and lies 1–10 m (3–33 ft) above sea level on a flat and sandy plain.