Presumably Ḫattuša, but also another place for the king’s winter stay is possible, such as Aleppo (cf. KUB 5.4+ rev. III 1-2), Katapa (KUB 5.3+ rev. IV 1-5; KUB 5.4+ rev. III 3-8); Ankuwa (KUB 5.3+ rev. IV 10; KUB 5.4+ rev. III 13) or Zitḫara (KUB 5.3+ rev. IV 13).