Facts

Population

8,396,760

Area

83,878 km² • 32,385 mi²

Density

100.1 people per km²

259.3 people per mi²

First 150m+ Building

Tallest Building

Tallest City

Rankings

by no. of 150m+ completed buildings

#
43

Tallest City in

the World

#
10

Tallest City in

Europe

Buildings

RANK
Name
Status

Completed

Architecturally Topped Out

Structurally Topped Out

Under Construction

On Hold

Proposed

Vision

Never Completed

Demolished

Competition Entry

Canceled

Proposed Renovation

Under Renovation

Renovated

Under Demolition

Height
1 DC Tower I
220 m / 722  ft
2 Millennium Tower
202 m / 663  ft
3 Danube Flats
182 m / 597  ft
4 DC Tower II
175 m / 574  ft
5 Vienna Twentytwo 2
155 m / 509  ft
6 Hochhaus Neue Donau
150 m / 492  ft
7 Vienna Twin Towers
138 m / 453  ft
8 Marina Tower
138 m / 453  ft
9 Stephansdom
137 m / 449  ft
10 Austro Tower
135.4 m / 444  ft

CTBUH People & Events

CTBUH Austria Presents: Architecture, Sustainability and Timber from the Nordic Perspective

28 September 2022

CTBUH Austria Presents: Tour of the Danube Flats Tower

07 September 2022

Videos

24 May 2022

Increasing Urban Density with Steel & Timber: XRAD and SPIDER Systems

Two pioneering new concepts for the future of tall buildings and vertical extensions: The SPIDER connector allows a Texas project to remove supporting beams on...

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Research

04 April 2022

State of Tall Timber 2022

The past few years have seen tremendous interest in the development of mass timber buildings of increasing height, in urban settings, many of which are...

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Global News

01 November 2021

Serviced Apartment Project in Vienna Structurally Topped Out

A ceremony was held in Vienna early October to celebrate DC Tower III topping out . At this ceremony, guests were given a tour of...

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