List of Asian Capital on North, East, Sout, and West

 East = Silangan     North = Hilaga     South = Timog      West = Kanluran

EAST ASIA
Hongkong - Hongkong
Japan - Tokyo
Mongolia - Ulan Bator
North Korea - Pyongyang
People's Republic of China - Beijing
South Korea - Seoul
Taiwan - Taipei


SOUTH ASIA
Sri Lanka - Colombo
Bangladesh - Dhaka
Bhutan - Thimpu
Maldives - Malé
Nepal - Kathmandu
Pakistan - Islamabad 
Republic of India - New Delhi


SOUTHEAST ASIA
Brunei - Bandar Seri Begawan
Cambodia - Phnom Penh
East Timor - Dili
Indonesia - Jakarta
Thailand - Bangkok
Laos - Vientiane
Malaysia - Kuala Lumpur
Myanmar - Naypyidaw
Philippines - Manila
Singapore - Singapore
Vietnam - Hanoi



Related:
https://en.wikipedia.org/wiki/List_of_national_capitals_in_East,_South,_and_Southeast_Asia