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  • Largest fresh water aquarium in CZ

    Largest fresh water aquarium in CZ
  • First-hand experience of Amazon forest

    First-hand experience of Amazon forest
  • Tropical fish at your arm's length

    and 130 tons of water above your head

    Tropical fish at your arm's length
  • Stylish conference room

    for your business and private events

    Stylish conference room
  • Aquarium just for the Two of You

    for the whole evening

    Aquarium just for the Two of You

Welcome to Giant aquarium in Hradec Králové


Giant aquarium (Obří akvárium in Czech) with its volume of 130 thousand liters is the largest fresh water aquarium in the Czech Republic. Since 1998 it has presented its visitors from many parts of Europe with tropical fish and plants of South and Central America, directly in the city center of Hradec Králové. The aquarium is open for visitors throughout the whole year, six to seven days a week.

Besides the aquarium with glass underwater tunnel and tropical forest, we also run our Café Piranha where you can watch real predatory piranhas while enjoying your coffee. We also offer a variety of unique experiences like individual evening relaxation for couples or our stylish conference room for business of private events.

Giant aquarium

Giant aquarium

Fresh water aquarium with tens of tropical fish species and with a tropical rain forest model, accessible during regular opening hours.

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Tickets ONLINE

Tickets ONLINE

Given the current government measures against Covid, tickets must be sold mainly online.

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Conference room

Conference room

Cosy conference room with fire place and pool table for business as well as private events up to 35 participants.

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Latest from Giant aquarium


Evening relaxation - Giant aquarium just for the Two of You

Experience what its like to spend an evening on the bottom of a tropical pool alone with your beloved one. We are ready to arrange the evening according to your wish, ranging from romantic light dinner all the way to undisturbed relaxation with your favourite music and lots of fish around.

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How to find us?

Giant aquarium (Obří akvárium)
Baarova 1663/10
500 02 Hradec Králové

+420 495 534 555





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