Was Ceylon a British colony?
Yes, it was, and is now called Sri Lanka. Famous for its tea crops.
Large of Ceylon were settled by the Portugese starting around 1505. Portugal held on to parts of Ceylon until the 1650's. Beginning in 1602, the Dutch started settling Ceylon and held on to parts of it until 1796. The British annexed Dutch Ceylon in 1796, formally colonized the whole of the island in 1815 and retained Ceylon as a colony until 1948.