Possible Clues:

• Blues' former number one finally match fit
• Dutch seat of government, with "the"
• World Court home, with 'The'
• Peace Palace locale, with 'The'
• The --, seat of government in The Netherlands
• International court site, with "The"
• Where to see M.C. Escher's 'Belvedere,' with 'The'
• ___ Tribunal
• See 29-Across
• Headquarters of Royal Dutch Shell, with 'The'