Passage 5.15.2
τὸ δὲ ἐκτὸς μὲν τοῦ περιβόλου τοῦ ἱεροῦ τὸ Λεωνίδαιον, τῶν δὲ ἐσόδων πεποίηται τῶν ἐς τὴν Ἄλτιν κατὰ τὴν πομπικήν, ἣ μόνη τοῖς πομπεύουσίν ἐστιν ὁδός· τοῦτο δὲ ἀνδρὸς μὲν τῶν ἐπιχωρίων ἐστὶν ἀνάθημα Λεωνίδου, κατʼ ἐμὲ δὲ ἐς αὐτὸ Ῥωμαίων ἐσῳκίζοντο οἱ τὴν Ἑλλάδα ἐπιτροπεύοντες· διέστηκε δὲ ἀγυιὰν ἀπὸ τῆς ἐσόδου τῆς πομπικῆς, τοὺς γὰρ δὴ ὑπὸ Ἀθηναίων καλουμένους στενωποὺς ἀγυιὰς ὀνομάζουσιν οἱ Ἠλεῖοι---
Outside the sacred enclosure stands the Leonidaeum, opposite the entrance into the Altis by the processional way, which is the only road permitted to those leading a procession. It is a dedication by Leonidas, a local man. In my time it served as the residence for the Roman governors who administered Greece. It is separated by an alley from the processional entrance; indeed, what the Athenians call narrow passages ("stenopoi") the Eleans term alleys ("agyiai").