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“UNKAI” can be translated as "sea of clouds", and truly no other name would better describe the restaurant located on the seventh floor of the Grand Hotel Wien serving heavenly best Japanese cuisine.

Our team awaits you with culinary delights, which have been awarded with two toques by “Gault Millau”. At UNKAI restaurant we are constantly focusing on best quality – and that is what we are known for.

Inspiring japanese cuisine – puristic, authentic, modern and traditional. Our chef de cuisine spoils his guests with the most exquisite ingredients, finest natural aromas refined with devotion, promising an unforgettable taste experience – taking you literally one step closer to heaven. Enjoy our à la carte dining, our legendary sushi compositions or great assortment of teppanyaki dishes.

You have the choice between two Tatami rooms with traditional Kimono service, private dining rooms for up to 16 guests, two Teppan-Yaki grills where the dishes are prepared freshly in front of your eyes or you choose a table in the main restaurant area, which has a very clear and modern interior design.

Tel +43 1 515 80 9110
Fax +43 1 515 80 - 15
Email [email protected]

Dress Code: Smart casual, no shorts, no flip-flops.

UNKAI Japanese Restaurant



At the Grand Hotel Wien you will find UNKAI Japanese Restaurant and UNKAI Bar & Sushi. The fine dining restaurant is located on the 7th floor and offers great cuisine and traditional service in an elegant atmosphere. On the ground level, the modern Sushi bar is the perfect place for Sushi snacks all day long. Both locations offer Take Away service and party service.



Teppanyaki is a unique and very entertaining way of cooking and a real culinary experience. The dishes are prepared in front of the guests´ eyes. You can choose between fresh fish, meat, seafood or vegetable. Reservations are required.


Christmas & New Year

Festive Japanese Menus – a delightful alternative

To start the New Year with a highlight, the restaurant "UNKAI" offers traditional Osechi boxes with New Year's Gala Plate, steamed dish, grilled dish and dessert.

Orders can be placed until Dec. 29th, 6.00 p.m.
Pick up at the reataurant UNKAI on the 7th floor is possible on January 1st, 2021 between 12:00 noon and 2.00 p.m.

Christmas & New Year

Sushi Brunch

The famous Sushi Brunch on Sundays offers freshly prepared Sushi as much as you can eat. Don´t miss the opportunity to try new sushi creations! All you can eat.

Sunday 12.00 to 2.30 pm
Price: € 38,00 p.P.

Children from 4 to 11 years only pay half-price
Children up to 3 years are free of charge

Sushi Brunch

Tatami & Private Rooms

Besides the main restaurant area, UNKAI restaurant also offers four private dining rooms. The two Tatami rooms have a capacity of 4 respectively 6 people. Enjoy the private atmosphere and the traditional Kimono service.

The other two private dining rooms are equipped European style and are suitable for bigger lunches or dinners. They can be booked individually or combined with a capacity of maximum 16 people.


Kirin Beer on Tap and Top Level Sake

UNKAI Restaurant at the 7th floor and UNKAI Bar & Sushi are the only restaurants in Austria to serve Kirin Beer on tap. For those who prefer the traditional Japanese way, an enormous choice of different sake is offered. UNKAI Bar & Sushi is the ideal place for 'sushi-globetrotters' who like to experience a trendy and stylish sushi bar!

Sake Menu (PDF)

UNKAI Specials


Gourmet Take Away

Pamper your guests and yourself with Japanese delicacies, which have been awarded with two toques by “Gault Millau”. For the perfect dinner party at home we offer various gourmet boxes, which will meet even the highest expectations.

Please order in advance:
+43 (1) 515 80 - 9773

Take Away Menu (PDF)

Unkai Sushi Cooking Classes

The art of Sushi preparation

The popular “Unkai Sushi cooking classes” have a long tradition. The Chef the cuisine teaches the attendants the art of Sushi preparation. During the cooking class you will also receive a lot of interesting background information.

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