Diplomatic / news vocabulary. Common compounds:
国宾馆 (guóbīnguǎn) 'state guesthouse' — like Beijing's famous Diaoyutai (
钓鱼台国宾馆) where foreign leaders are housed;
国宾礼遇 (guóbīn lǐyù) 'state-guest treatment' meaning the highest reception protocol with honor guards, 21-gun salutes, and state banquets.