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Project timeline

1933 – 1934



Location Change this

Kúpeľný ostrov 9
921 01 Piešťany

Also known as Change this

Green Frog Thermal Bath

Architect Change this

Partners Change this

General contractor
Adamec, Strebinger, Trenčianske Teplice

Swimming baths “Zelená žaba” Change this

Piešťany, Slovakia
by Bohuslav Fuchs Change this
1 of 5

Description Change this

The complex of this thermal swimming area is an organically formed work of mature Functionalist architecture, with great sensitivity to the natural surroundings – one of the architect’s best achievements. It was constructed in the late 1930s, during the greatest flourishing of the thermal spa of Trenčianske Teplice, on a south-facing slope above the spa area, with thermal water piped upwards from the valley.

Construction was divided into three stages. Building I contained all of the main operational spaces, including a pool of 33.3 x 12 m. Building II was a bowling alley, and III a children’s area with a shallow circular pool. In the design, Fuchs devoted great attention to the enrichment of his previously highly austere Functionalist forms, and used pure, artistically refined means to create a work of functional clarity that fitted organically into the surroundings. The rich colours and range of materials emphasises the architectural richness of the baths; the structural framing is subtle yet also fully load-bearing. The ‘Green Frog’ is one of the great works of late Czechoslovak functionalism, and was regarded by the architect as one of his two personal favourites.


  • Architektúra na Slovensku. Stru?né dejiny. Ed. Henrieta Morav?íková. Bratislava, Slovart 2005. 182 p.
  • FOLTYN, Ladislav: Slovakische Architektur und die tschechische Avantgarde 1918 – 1939. Dresden, Verlag des Kunst 1991. 236 p.
  • CRHONEK, Ivan: Architekt Bohuslav Fuchs. Celoživotné dílo. Brno, Petrov 1995. 197 p.
  • MR?A, ?ubomír: Kúpalisko Zelená žaba. Architektúra & urbanizmus 29, 1995, 1 – 2, p. 134 – 137.
  • DULLA, Matúš – MORAV?ÍKOVÁ, Henrieta H.: Architekt Bohuslav Fuchs – Architektonická a teoretická práca na Slovensku. Architektúra & urbanizmus 30, 1996, 4, p. 215 – 222.
  • Register - of Modern Architetecture in Slovakia
  • DULLA, Matúš – MORAV?ÍKOVÁ, Henrieta: Architektúra Slovenska v 20. storo?í. Bratislava, Slovart 2002. 512 p.
  • Ing. arch. K.: Termálne kúpalisko "Zelená žaba" v Tren?ianskych Tepliciach. Slovenský stavite? 8, 1938, p. 237.
  • KOUD?LKA, Zden?k: Bohuslav Fuchs. Praha, N?SVU 1966. 147 p.


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