Cistern connected to the Stoudios basilica.

A channel exited the cistern 'three feet above the ground level' (Crow et al., 2008, p. 140).

Cistern concordance (Crow et al., 2008, p. 145): Andréossy 1828: 452-3; Auzépy and Grélois 2001: 136, fig. 73; Forchheimer and Strzygowski 1893: 66-7 no. 11; Gilles 146a: 4.9; Janin 1964: 215 no. 49; Kleiss 1965a: no. 93; Mambboury 1925: 486-7; Müller-Wiener 1977: 147, 151; Schneider 1936: 88 plan B9; Stolpe 1867: no. 51; Tonguç 1990: 42-43. See also Bayülgen and Saner 2024 Plan 33. https://www.thebyzantinelegacy.com/stoudios