Garudapurana 3.24.108

3.24.108

keśavāya namaḥ pūrve tathā nārāyaṇāya ca /
mādhavāya namaskuryānnairṛtye cāpi vāyave //

Obeisance to Keśava in the east, and likewise to Nārāyaṇa; / one should make obeisance to Mādhava in the southwest, and in the northwest [to Govinda];