1. Chemical and isotopic constraints on the origin of thermal waters in Anatolia, Turkey : fluid-mineral equilibria approach / Halim Mutlu, Nilgun Gulec and David R. Hilton -- 2. Gas geochemistry of Turkish geothermal fluids : He-CO2 systematics in relation to active tectonics and volcanism / Nilgun Gulec, Halim Mutlu and David R. Hilton -- 3. Geothermal fields and thermal waters of Greece : an overview / Nicolaos Lambrakis, Konstantina Katsanou and George Siavalas -- 4. Geological setting, geothermal conditions and hydrochemistry of south and southeastern Aegean geothermal systems / Maria Papachristou, Konstantinos Voudouris, Stylianos Karakatsanis, Walter D'Alessandro and Konstantinos Kyriakopoulos -- 5. Application of hydrogeochemical techniques in geothermal systems ; examples from the eastern Mediterranean region / Aysen Davraz -- 6. Hydrochemical investigations of thermal and mineral waters in the Turgutlu-Salihli-Alasehir plain (Gediz graben), western Turkey / Tugbanur Ozen and Gultekin Tarcan -- 7. Electrically conductive structures and geothermal model in Sakarya-Goynuk area in eastern Marmara region inferred from magnetotelluric data / Ilyas Caglar -- 8. Use of sulfur isotopes on low-enthalpy geothermal systems in Ayas-Beypazari (Ankara), central Anatolia, Turkey / Mehmet Celik -- 9. Geochemistry of thermal waters in eastern Anatolia : a case study from Diyadin (Agri) and Ercis-Zilan (Van) / Suzan Pasvanoglu -- 10. Balcova geothermal field district heating system : lessons learned from 16 years of application / Mahmut Parlaktuna -- 11. Rapid development of geothermal power generation in Turkey / Murat Karadas and Gulden Gokcen Akkurt -- 12. Scaling problem of the geothermal system in Turkey / Irmak Dogan, Mustafa M. Demir and Alper Baba -- 13. Exergetic and exergoeconomic aspects of ground-source (geothermal) heat pumps in Turkey / Arif Hepbasli and Ebru Hancioglu Kuzgunkaya -- 14. Application of geophysical methods in Gulbahce geothermal site, Urla-Izmir, western Anatolia / Oya Pamukcu, Tolga Gonenc, Petek Sindirgi and Alper Baba -- 15. Palaeoenvironmental and palynological study of the geothermal area in the Gulbahce Bay (Aegean Sea, western Turkey) / Mine Sezgul Kayseri-Ozer, Bade Pekcetinoz and Erdeniz Ozel.