Drinks and pizzas are cheap in Turkey. So it is safe for your wallet to order a party vacation to one of the resorts on the Turkish Riviera.

About the currency
Conversion rates: 1.00 EUR = 1.45564 USD

In Turkey they've got old Turkish Lira [TRL] and New Turkish Lira [YRL] working together
1 YRL = 1,000,000 TRL

1.00 EUR = 1,709,784.08 TRL
1.00 EUR = 1.709 YRL

At a restaurant:
The price of a bottle of house wine (0.75l) => 20 YRL [12 euro]
The price of a sirloin/steak meal => 10 YRL [6 euro]
The price of a pizza => 6-8 YRL [3.6-4.8 euro]
Typical food => Çop sis 8 YRL [4.8 euro]  / Sis kebab 9 YRL [5.4 euro]

At a bar
The price of a bottle of beer (0.33l) => 2.5 YRL [2.5 Euro]
The price of a cocktail => 6 YRL [3.6 euro]

At the local supermarket
The price of a bottle of water (1l) => 1 YRL [0.6 euro]
The price of a can of Coca Cola (0.33l) => 1 YRL [0.6 euro]
The price of a can of beer (0.33l) => 1.5 YRL [0.9 euro]

Rent a small car
Rent of car for 1 day => 60$/day [41.4 euro]
Rent of car for 3 days => 175$ [120.75 euro]
Rent of car for 7 days => 400$ [276 euro]

Souces:
http://www.doede.net/kom-es/uk/index.php
http://www.autoeurope.com/booking/car.cfm
http://www.akvaryumhobisi.com/alanya/hotentrees.htm
http://www.turkeytravelplanner.com/details/Money/WhatItCosts.html