The call for bids for 20th SIOP ASIA Annual Congress (SIOP ASIA 2028 Congress) is open. Bidding is open to cities in the following countries in Eastern parts of Asia: Japan, South Korea, Mongolia, China, Hong Kong, Macao, Taiwan, Philippines, Vietnam, Cambodia, Laos, Malaysia, Singapore, Brunei, Bangladesh, India, Myanmar, Thailand, Bhutan, Indonesia, Nepal, Timor-Leste, North Korea, Maldives, and Sri Lanka. The SIOP members in these countries can bid for 20th SIOP ASIA Annual Congress.