Avondale Estates Is A Small City Conveniently Located Inside I-285 East Of Downtown Decatur. When Touring This Awesome Home, Check Out Town Green Park + Pavilion, 64 N. Avondale Rd.; Avondale Lake, 59 Lakeshore Drive; Ae Swim/Tennis Club + Willis Park Playground + Pavilion At 51 + 57 Dartmouth Ave.