13 degrees, 45 minutes North, 100 degrees, 29 minutes East.
That location is one of a great number of points in western Thailand, about 93 miles north-northwest of the center of Bangkok.
The Gulf of Thailand is located at approximately 100 degrees E longitude and 10 degrees latitude. It is bordered by Thailand, Cambodia, and Vietnam.
The coordinates provided point to a specific location on Earth, specified in terms of latitude and longitude. This location is close to the city of Bangkok in Thailand.
That point is in the Gulf of Thailand, about 198 miles south of the center of Bangkok.
A location at 18 degrees north and 103 degrees east lies in Thailand, specifically in the northeastern region of the country. It is not a specific landmark but rather a point within the country.
Using those coordinates you would get Hanoi, Vietnam.
thailand
101.3 degrees East
thailand
Thailand
21 degrees
Somewhere near Chon Buri, Thailand.