This museum houses the hisotry of the Dutch colonial era in Sri Lanka. his two storied large building reflecting the features of a 17th century Dutch Urban house was built by Thomas Van Rhee, The Dutch Governor of Sri Lanka from 1692- 1697 as his official residence. During the British period in 1796 this building was used as a arms store of army hospital, police training centre, Pettah post office and telecommunication centre. It has displayed over 3000 museum objects related to the Dutch who ruled coastal areas of Sri Lanka. (1658-1796)
Photo Source: https://en.wikipedia.org/wiki/Colombo_Dutch_Museum