Brunei
The country of Cambodia lies southeast of Thailand. Myanmar is located to the north of Thailand, and Malaysia is located south.
Malaysia
The country is Sumatra.
Malaysia
Nearest country north of Singapore is Malaysia.
Canada lies to the north of the US.
Laos is the country that lies to the north and east of Vinh, a city in Vietnam.
The Malaysian country southeast of Kuala Lumpur is East Malaysia. Should the question mean a different country than Malaysia, then Indonesia fits that location.
The continent of Australia lies to the north of Tasmania. Tasmania is part of Australia, the mainland of which lies directly to the north.
Micronesia lies north east of Papua New Guinea.
Germany Germany
Russia lies north of the Gobi Desert and Mongolia.