ὅπου

(from ποῦ and the relative ὁ) (from Homer down), where;
1. adverb of place,
a. in which place, where; α. in relative sentences with the indicative it is used to refer to a preceding noun of place; as, ἐπί τῆς γῆς, ὅπου etc. Mt 6:19; add, Mt 6:20; Mt 13:5; Mt 28:6; Mk 6:55; Mk 9:44, Mk 9:46 (which verses T WH omit; Tr brackets), 48; Lk 12:33; Jn 1:28; Jn 4:20, Jn 4:46; Jn 6:23; Jn 7:42; Jn 10:40; Jn 11:30; Jn 12:1; Jn 18:1, Jn 18:20; Jn 19:18, Jn 19:20, Jn 19:41; Jn 20:12; Acts 17:1; Rev 11:8; Rev 20:10. it refers to ἐκεῖ or ἐκεῖσε to be mentally supplied in what precedes or follows: Mt 25:24, Mt 25:26; Mk 2:4; Mk 4:15; Mk 5:40; Mk 13:14; Jn 3:8; Jn 6:62; Jn 7:34; Jn 11:32; Jn 14:3; Jn 17:24; Jn 20:19; Rom 15:20; Heb 9:16; Heb 10:18; Rev 2:13. it refers to ἐκεῖ expressed in what follows: Mt 6:21; Lk 12:34; Lk 17:37; Jn 12:26; Jas 3:16. in imitation of the Hebrew שָׁם אֲשֶׁר (Gen 13:3; Eccl 9:10, etc.): ὅπου ἐκεῖ, Rev 12:6 (G T Tr WH), 14 (see ἐκεῖ, a.); ὅπου... ἐπ' αὐτῶν, Rev 17:9. ὅπου also refers to men, so that it is equivalent to with (among) whom, in whose house: Mt 26:57; (add, Rev 2:13; cf. Winers Grammar, § 54, 7 at the end); in which state (viz. of the renewed man), Col 3:11. it is loosely connected with the thought to which it refers, so that it is equivalent to wherein (A. V. whereas), 2 Pet 2:11 (in the same sense in indirect question, Xenophon, mem. 3, 5, 1). ὅπου ἄν, wherever — with imperfect indicative (see ἄν, II. 1), Mk 6:56 (Tdf. ἐάν); with aorist subjunctive (Latin future perfect), Mk 9:18 (where L T Tr WH ὅπου ἐάν); Mk 14:9 (here too T WH ὅπου ἐάν); also ὅπου ἐάν (see ἐάν, II.), Mt 26:13; Mk 6:10; Mk 14:14a (in both of the last two passages, L Tr ὅπου ἄν); with subjunctive present Mt 24:28. β. in indirect questions (yet cf. Winer's Grammar, § 57, 2 at the end), with subjunctive aorist: Mk 14:14b; Lk 22:11.
b. joined to verbs signifying motion into a place instead of ὅποι, into which place, whither (see ἐκεῖ, b.): followed by the indicative, Jn 8:21; Jn 13:33, Jn 13:36; Jn 14:4; Jn 21:18; (Jas 3:4 T Tr WH (see below)); ὅπου ἄν, where (whither) soever, with indicative present, Rev 14:4 L Tr WH (cf. below), cf. Buttmann, § 139, 30; with subjunctive present, Lk 9:57 R G T WH (others, ὅπου ἐάν, see below); Jas 3:4 (R G L); Rev 14:4 R G T (see above); ὅπου ἐάν, with subjunctive present, Mt 8:19, and L Tr in Lk 9:57.
2. It gets the force of a conditional particle if (in case that, in so far as (A. V. whereas (cf. 2 Pet 2:11 above))): 1 Cor 3:3 (Clement of Rome, 1 Cor. 43, 1 [ET], and often in Greek writings; cf. Grimm on 4 Macc. 2:14; Meyer on 1 Cor 3:3; (Müller on the Epistle of Barnabas 16, 63).