Sydney City Fringe - Cheaper options but transport will be a little more limited in those areas to cars and taxis, while walking into the city takes more than 30 no time at all.
In Kiev, apartments that are very serviced and personal are available through agencies. https://Oerdigamers.info/index.php/Discover_The_Essence_Of_Luxury_Living:_Dive_Into_The_Emerald_Of_Katong_Condo_Today