This Ancient Greek City Starter gives you all you need to set up an Ancient Greek scene in your game.
Following a list of all assets with their tris count and texture sizes:

PROPS:
Barrow with stand - tris: 1460 - textures: 512x512 (Albedo, Metal, Normal) + 2x1024 (Albedo, Metal, Normal)
Barrow without stand - 1400 tris - textures: 2x1024(Albedo, Metal, Normal)
Basket - tris: 360 - textures: 512x512 (Albedo, Metal, Normal)
Bench - tris: 368 - textures: 1024x1024 (Albedo, Metal, Normal)
Chalice 1 & 2 - tris: 500 - textures: 256x256 (Albedo, Metal, Normal)
Chalice 3 & 4 - tris: 620 - textures: 256x256 (Albedo, Metal, Normal)
Crate - tris: 136 - textures: 512x512 (Albedo, Metal, Normal)
Fabric Roll Blue, Brown, Gray, Green, Purple & red - tris: 69 - textures: 512x512 (Albedo, Metal, Normal)
Fountain Clean & Old - tris: 4604 - textures: 1024x1024 (Albedo, Metal, Normal)
Harp - tris: 1910 - textures: 512x512 (Albedo, Metal, Normal)
Market Stand 001, 002, 003 & 004 - tris: 1342 - textures: 2x1024x1024 (Albedo, Metal, Normal)
Statue Olympian Disc Clean & Old - tris: 3352 - textures: 2x1024x1024 (Albedo, Metal, Normal)
Statue Olympian Standing Clean & Old- tris: 3100 - textures: 2x1024x1024 (Albedo, Metal, Normal)
Pedestal Clean & Old - tris: 204 - textures: 1024x1024 (Albedo, Metal, Normal)
Orange - tris: 80 - textures: 256x256 (Albedo, Metal, Normal)
Apple - tris: 80 - textures: 256x256 (Albedo, Metal, Normal)
Torch - tris: 548 - tris: 80 - textures: 1024x1024 (Albedo, Metal, Normal)
Vase_I & Vase_I_variation - tris: 1298 - textures: 1024x1024 (Albedo, Metal, Normal)
Vase_II & Vase_II_variation - tris: 668 - textures: 1024x1024 (Albedo, Metal, Normal)
Vase_III & Vase_III_variation - tris: 636 - textures: 1024x1024 (Albedo, Metal, Normal)
Vase_IV & Vase_IV_variation - tris: 380 - textures: 512x512 (Albedo, Metal, Normal)
Watermelon - tris: 264 - textures: 512x1512 (Albedo only)

BUILDING PARTS:
Facade Clean & Old - tris: 190 - textures: 1024x1024 (Albedo, Metal, Normal)
Plateau_FrontBack_Left Clean & Old - tris: 106 - textures: 1024x1024 (Albedo, Metal, Normal)
Plateau_FrontBack_Middle Clean & Old - tris: 60 - textures: 1024x1024 (Albedo, Metal, Normal)
Plateau_FrontBack_Right Clean & Old - tris: 106 - textures: 1024x1024 (Albedo, Metal, Normal)
Plateau_Middle Clean & Old - tris: 12 - textures: 1024x1024 (Albedo, Metal, Normal)
Plateau_Side Clean & Old - tris: 52 - textures: 1024x1024 (Albedo, Metal, Normal)
Roof Plate 5x5 Clean & Old - tris: 92 - textures: 1024x1024 (Albedo, Metal, Normal)
Stone Beam 5m - tris: 108 - textures: 1024x1024 (Albedo, Metal, Normal)

BUILDINGS:
Rectangled Temple Clean & Old (including 35 columns): 4988 - made of plateau, roof plates, stone beams, Doric columns and facade
Round Temple Clean & Old (including 16 columns) - tris: 18418 - textures: 3x1024x1024 (Albedo, Metal, Normal) + 16 columns
Theater Clean & Old: tris: 5446 - textures:2x 2048x2048 + 1x1024x1024 (Albedo, Metal, Normal)

COLUMNS:
Column Ionic Clean & Old - tris: 1004 - textures: 1024x1024 (Albedo, Metal, Normal)
Modern Column Clean & Old - tris: 548 - textures: 1024x1024 (Albedo, Metal, Normal)
Column Doric Clean & Old - tris: 140 - textures: 1024x1024 (Albedo, Metal, Normal)