ðə dˈɪstɹɪkt wʌz ˌɔn ɐ plˈeɪn ɪnðə nˈɔːɹθiːstɚn pˈɑːɹt ʌv ˈæɾɪkə ænd kəntˈeɪnd fˈoːɹ sˈɪɾiz: mˈæɹəθˌɑːn, pɹˈoʊbɐlˌɪnθəs, tɹˈaɪkoːɹˌɪθəs, ænd ˈoʊnoʊ.
The district was on a plain in the northeastern part of Attica and contained four cities: Marathon (), Probalinthus (), Tricorythus (), and Oenoe ().