I moved to N Mississippi last summer and carried all my herbaceous and bulb perennials with me - lily bulbs stayed in plastic pots all winter - still alive but dormant now. Easter lilies planted in the ground are showing stems so I doubt your hardy Orientals will mind the winter here - I would be more worried about summer heat.

If you live in Erzurum or Ankara, placing them in that open but protected area would be fine. If that doorway also faces south, you might want to cover them with a light colored box to keep the pots from getting to warm from the winter sun. In areas of Istanbul, Ismir, Antalya, Sanliurfa, and Zongiuldak, no winter protection would be needed at all except in areas of heavy winter rain (Anatalya, etc). There, pots should be tipped on their side to prevent waterlogging the bulb and placed along a north facing wall or coolest spot available. Keep in mind that liliums like orientals need a cold resting period to produce an abundance of flowers the next season and even allowing the the pots to freeze almost solid won't hurt them.

Orientals like sun and a little dappled afternoon shade, although not necessary in the more moderate climates like Istanbul. On the other hand, full sun on a south facing bacony in places like Antalya and Sanliurfa would be too hot and flowers would fade quickly, Always use pots with lots of drain holes and a soil that drains well like sandy loam. Mulch the top of the pots to keep the bulb and roots cool.

There are dwarf Orientals about 5 to 7 cm tall on the market now that work well for patios.