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Microsoft Azure is Microsoft’s public cloud computing platform, selling compute, storage, networking, database, and AI/machine-learning services to customers on a pay-as-you-go basis, delivered from a global network of company-built and operated data centers organized into “regions” and “availability zones.” As of 2025-2026, Microsoft describes Azure as spanning 60+ generally available regions and 70+ announced regions with more than 300 individual data center buildings across 30+ countries, connected by hundreds of thousands of kilometers of owned fiber. What distinguishes Azure’s current build-out is its dedicated “Fairwater” line of purpose-built AI datacenters — two-story, liquid-cooled facilities packed with hundreds of thousands of NVIDIA Blackwell GPUs (GB200/GB300 systems) — the first of which opened in Wisconsin in 2025 and a second in Atlanta, Georgia, with the two sites linked over a dedicated “AI WAN” fiber network as part of what Microsoft calls the first “planet-scale AI superfactory.” Azure does not sell colocation space to third parties; it operates its infrastructure exclusively to deliver its own cloud and AI services.
23Countries
35Cities/Facilities
2AI Data Centers
Microsoft Azure operates as a cloud provider and colocation provider, with facilities at the following locations:
Vaughan, Ontario, CanadaYT011 Data Center CampusPENDING REVIEW Microsoft is investing about CA$69 million in this new campus as part of expanding its Canadian Azure footprint.
Santiago, ChileChile Central RegionPENDING REVIEW This was announced as Microsoft's first cloud region in Chile, described as a historic investment for the country.
Beijing, ChinaChina North Region (operated by 21Vianet)PENDING REVIEW Azure's China regions are unique in being operated under license by a local partner, 21Vianet, rather than directly by Microsoft.
Høje-Taastrup, DenmarkDenmark Region Data CenterPENDING REVIEW This new facility, located about 25km west of Copenhagen, supports Microsoft's newly opened Denmark cloud region.
West Java region, IndonesiaIndonesia Central RegionPENDING REVIEW Microsoft's first cloud region in Indonesia is located in West Java, marking its entry into the Indonesian market.
Dublin, IrelandGrange Castle Data Center Campus (North Europe)PENDING REVIEW The Dublin campus has grown across multiple buildings (DUB9, DUB10, DUB12-15), making it one of Microsoft's largest European hubs.
Tel Aviv, IsraelIsrael Central RegionPENDING REVIEW This was Microsoft's first cloud region announced in Israel, expanding its Middle East footprint.
Middenmeer, NetherlandsAMS13/14 Hyperscale CampusPENDING REVIEW Microsoft purchased 50 hectares here to expand its hyperscale AMS13/14 campus north of Amsterdam.
Warsaw, PolandPoland Central RegionPENDING REVIEW Microsoft launched this Polish Azure region in 2023, one of its more recent Central European deployments.
Zaragoza, SpainZaragoza Data Center CampusPENDING REVIEW Microsoft is investing an additional €2.9 billion (about $3 billion) to expand this campus adjacent to Puerto Venecia.
Madrid, SpainSpain Central RegionPENDING REVIEW Per Microsoft Azure's own site: Microsoft states this region will have 3 availability zones and plans to leverage Telefónica infrastructure under a strategic partnership.
Sandviken, SwedenGVX11 Data Center Campus (Sweden Central)PENDING REVIEW
Atlanta, Georgia, USAFairwater Atlanta AI DatacenterAI DATA CENTERPENDING REVIEW This two-story, closed-loop liquid-cooled site houses NVIDIA GB200/GB300 Blackwell GPU racks and is directly fiber-linked to the Wisconsin Fairwater site as part of an "AI superfactory" network.
Maiden, North Carolina, USAMaiden Data CenterPENDING REVIEW One of Microsoft's earliest large-scale cloud data centers, opened in 2010 to support its East Coast cloud footprint.
San Antonio, Texas, USASouth Central US Data Center CampusPENDING REVIEW Microsoft has expanded this campus repeatedly, including plans to invest roughly $700 million on two additional single-story facilities.
Boydton, Virginia, USAEast US Data Center CampusPENDING REVIEW Represents one of Microsoft's largest data center investments outside Northern Virginia, totaling roughly $2 billion since 2010.
Quincy, Washington, USAColumbia Data Center (West US 2)PENDING REVIEW Opened in 2007 and expanded to roughly 800,000 sq ft, this campus was described as the largest data center in the world as of 2015.
Mount Pleasant, Wisconsin, USAFairwater Wisconsin AI DatacenterAI DATA CENTERPENDING REVIEW Covering 315 acres with three buildings totaling 1.2 million square feet, this was Microsoft's first purpose-built Fairwater AI datacenter, announced in 2025.
Microsoft's newest data centers, branded "Fairwater," are purpose-built for AI training rather than general cloud workloads. The first opened in Mount Pleasant, Wisconsin in 2025, covering 315 acres across three buildings totaling 1.2 million square feet, and the second came online in Atlanta, Georgia in late 2025, supporting roughly 140kW per rack and housing NVIDIA GB200/GB300 Blackwell GPUs (up to 72 per rack via NVLink) inside a two-story, closed-loop liquid-cooled design that uses almost no water in operation. The two sites are linked by a dedicated "AI WAN" fiber network so their GPU fleets can function together as a single distributed supercomputer, which Microsoft calls its first "planet-scale AI superfactory."
Mount Pleasant, USAFairwater Wisconsin AI DatacenterAI DATA CENTERPENDING REVIEW Covering 315 acres with three buildings totaling 1.2 million square feet, this was Microsoft's first purpose-built Fairwater AI datacenter, announced in 2025.
Atlanta, USAFairwater Atlanta AI DatacenterAI DATA CENTERPENDING REVIEW This two-story, closed-loop liquid-cooled site houses NVIDIA GB200/GB300 Blackwell GPU racks and is directly fiber-linked to the Wisconsin Fairwater site as part of an "AI superfactory" network.
Common Questions
Does Microsoft Azure have dedicated AI/GPU infrastructure, and where is it located?
Yes. Microsoft's "Fairwater" datacenters are purpose-built AI facilities using a two-story, liquid-cooled design with a single flat network integrating hundreds of thousands of NVIDIA GB200/GB300 Blackwell GPUs; the first opened in Mount Pleasant, Wisconsin in 2025, and the second in Atlanta, Georgia, connected to the Wisconsin site by a dedicated AI-focused fiber network as part of a growing "AI superfactory."
How many data centers does Microsoft Azure operate worldwide?
Microsoft states it operates more than 300 data centers across 60+ regions (with 70+ announced) in over 30 countries, though it does not disclose exact street addresses for most facilities, citing security reasons.
Is Microsoft Azure a colocation provider?
No. Azure sells cloud compute, storage, and platform services consumed remotely; it does not sell rack, cage, or suite space for customers to install their own hardware, so it is not classified as colocation despite owning and operating its own buildings.
Where are Microsoft Azure's main U.S. East Coast and West Coast hub facilities?
Azure's East Coast hub is centered on a large campus near Boydton, Virginia, described as one of Microsoft's largest investments outside Northern Virginia at roughly $2 billion since 2010, while its long-running West Coast hub is the Columbia Data Center in Quincy, Washington, which opened in 2007 and was once described as the largest data center in the world.
Does Microsoft Azure offer cloud services?
Microsoft Azure is classified as a cloud provider among other services it offers — we can't confirm which specific facilities provide cloud services. Please contact Microsoft Azure directly to confirm cloud availability.
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