Josip Glasnović and Kristina Tomić represented the Olympic and Mikela Ristoski and Ivan Katanušić the Paralympic athletes.
Ambassador Misako Kaji congratulated them on their achievements in the Tokyo games.
HOO president Zlatko Mateša, Croatian Paralympic Committee president Ratko Kovačić and state secretary for sport Tomislav Družak thanked the City of Tokyo, the Tokyo Organising Committee and Japan's citizens for brilliantly organised games in pandemic conditions, the HHO said.
The Japanese Embassy was thanked for the constant support provided ahead of and during the Croatian athletes' stay in Tokyo.