Toungoo or Taungu (both: toung´gōō´, toung´ōō´), town, S Myanmar, on the Sittaung River. It is a railway junction. From the late 14th cent. it was the center of one of the three chief states of Myanmar; in the late 16th cent., under the Bagan kings, it preceded Bago as the capital of a unified Burmese kingdom.
"Toungoo." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 19, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/toungoo
"Toungoo." The Columbia Encyclopedia, 6th ed.. . Retrieved September 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/toungoo