No foreign-language support is documented for Anseong Hyanggyo; expect Korean only.
- Korean language support: confirmed
- English / Japanese / Chinese support: not documented
- Multilingual signage: not documented
- Translated materials: not documented
- Audio, sign-language, and large-print guides: not documented
- Place name and address are only available in Korean
Based on language_support.korean (true) with all other language_support.* fields null; canonical_name_en/ja/zh_hans and address_en are null; accessibility.audio_guide, sign_language_guide, and large_print_guide are null. Absence of data does not strictly prove absence of service on-site.