From Wiktionary, the free dictionary
From the rivers Rhine and Sieg.
- IPA(key): /ˈʁaɪ̯n ˈziːk ˈkʁaɪ̯s/
der Rhein-Sieg-Kreis m (proper noun, strong, usually definite, definite genitive des Rhein-Sieg-Kreises)
- A rural district of North Rhine-Westphalia. Seat: Siegburg