.istanbul domain statistics
4,875 domains were registered under .istanbul at its latest check (Oct 9, 2026), placing it #364 of 1,079. Since its first check on Feb 24, 2026 it has shrunk by 1.9% (−95 domains). At its latest check it changed by +23 domains over 56 days, about +0.1% a week.
Download .istanbul history (CSV)
About the .istanbul extension
The registry behind .istanbul is Istanbul Metropolitan Municipality. The extension was delegated to the root zone on Jul 11, 2015, 11.2 years ago. Its ICANN registry agreement was signed on Aug 28, 2014, 317 days before launch.
Registry details from ICANN's gTLD list.
Other extensions run by Istanbul Metropolitan Municipality
Istanbul Metropolitan Municipality operates 2 of the TLDs RootFetch tracks, holding 12,549 domains in total. .istanbul is #2 of them by size, with 38.8% of the group's domains.
How .istanbul compares
In domain count, .istanbul outranks 66% of the extensions RootFetch follows. Among the 10 TLDs closest to it in size, .istanbul grew faster than 3; the fastest of that group was .nexus at +25.2%.
Biggest moves
Of 9 changes between checks, 2 were gains, 6 were losses and 1 showed no change. The biggest gain was +23 domains (+0.5%) between Aug 14, 2026 and Oct 9, 2026. The biggest drop was −52 (−1.1%) between Jun 5, 2026 and Jul 3, 2026.
.istanbul growth trend
.istanbul accounts for 0.01% of all 89M domains RootFetch counts. Over the 227 days from Feb 24 to Oct 9 it averaged −0.06% a week, or 0 domains a day. Its strongest month on record was October 2026 (+23); its weakest was July 2026 (−52). If the latest rate held for 30 days, .istanbul would reach about 4,887 domains (a straight-line projection, not a forecast).
.istanbul domains by month
| Month | Domains | Change |
|---|---|---|
| October 2026 | 4,875 | +23 |
| August 2026 | 4,852 | −18 |
| July 2026 | 4,870 | −52 |
| June 2026 | 4,922 | −40 |
| March 2026 | 4,962 | −11 |
| February 2026 | 4,973 | – |
Every check
| Date | Domains | Change | Growth | Window | Severity |
|---|---|---|---|---|---|
| Oct 9, 2026 | 4,875 | +23 | +0.5% | 56 days | |
| Aug 14, 2026 | 4,852 | −18 | −0.4% | 42 days | |
| Jul 3, 2026 | 4,870 | −52 | −1.1% | 28 days | |
| Jun 5, 2026 | 4,922 | −40 | −0.8% | 94 days | |
| Mar 3, 2026 | 4,962 | −3 | −0.1% | 1 day | |
| Mar 2, 2026 | 4,965 | −5 | −0.1% | 1 day | |
| Mar 1, 2026 | 4,970 | −3 | −0.1% | 3 days | |
| Feb 26, 2026 | 4,973 | +3 | +0.1% | 1 day | |
| Feb 25, 2026 | 4,970 | 0 | +0.0% | 1 day | |
| Feb 24, 2026 | 4,970 | – | – | first check |
Questions about .istanbul
How many .istanbul domains are there?
4,875, according to the .istanbul zone file on Oct 9, 2026.
Can anyone register a .istanbul domain?
Yes, unless Istanbul Metropolitan Municipality sets its own limits. .istanbul is a generic extension, not a company-only brand TLD.
Who runs the .istanbul domain extension?
The registry operator is Istanbul Metropolitan Municipality.
When was .istanbul created?
It was delegated on Jul 11, 2015.
Is .istanbul growing?
.istanbul went from 4,970 domains on Feb 24, 2026 to 4,875 on Oct 9, 2026, a change of −1.9%. Its latest rate is about +0.1% a week.
How big is the .istanbul domain extension compared to others?
.istanbul is number 364 in size among tracked extensions. Its nearest neighbours are .gift, .mba, .charity.