十三

Numeral

 * 1) thirteen; 13

Etymology 1
From.

Numeral

 * 1) thirteen; 13

Etymology 2
Possibly from.

Not attested until the late 900s in reference to, a natural harbor on the western shore of what is now. This harbor is located in historically Ainu territory and became an important trading port in the 900s.

The use of the kanji characters and  is an example of.

Proper noun

 * 1) a place name