Austria had a threat of Germany, Italy and possibly even Russia on their doorsteps. Although Ottomans weren't a powerful ally, they didn't have anyone else to count on, so it in certain circumstances makes sence for them to be allied with the Ottomans.
Which cannot be applied to Russia. I have no idea why they would need an ottoman ally. Probably for some obscure diplomatic reasons.
Which cannot be applied to Russia. I have no idea why they would need an ottoman ally. Probably for some obscure diplomatic reasons.