To get HIV tested in Sapporo, go to Public Health Centers and CiRCLE SAPPORO. They offer anonymous HIV test and consultation free of charge.
You can also get tested at many medical clinics and hospitals at your own expense.
Sapporo Public Health Centers札幌市保健センター ( in Japanese)
A free syphilis test is also available.
CiRCLE-SAPPORO (in English)
HAND : HIV&AIDS Navigation for Doumin (in Japanese)
General information about HIV in Japan
CHARM: the Center for Health and Rights of Migrants (in English)
HIV Testing and HIV/AIDS Counseling Map in Japan (in English)