Laugardalslaug

Laugardalslaug (literally "The Pool of Laugardalur") is an Olympic-sized swimming pool located in Sundlaugarvegur 30 in the Laugardalur district of Iceland's capital Reykjavík. The pool was built in 1968 and designed by city architect Einar Sveinsson. It receives about 1.5 million visitors annually and is Iceland's largest swimming pool.

Source: https://en.wikipedia.org/wiki/Laugardalslaug