Yangon International Airport is the primary and busiest international airport of Myanmar. The airport is located in Mingaladon, 15 kilometres (9.3 mi) north of central Yangon. All ten Myanmar carriers and about 30 international airlines operate at Yangon International Airport. The airport is also colloquially known as Mingaladon Airport due to its location.
More details under the following headings; history, modernisation and terninals can be found on the Wikipedia website https://en.wikipedia.org/wiki/Yangon_International_Airport.