Croatia IBAN Format
Croatia IBANs are 21 characters and start with HR. Paste one below to check its length and MOD-97 checksum.
Enter an IBAN to check its country, length and MOD-97 checksum.
Note This checks that the IBAN is well-formed — correct country, correct length and a valid checksum. It cannot confirm that the account actually exists or belongs to a particular person. Always confirm payment details with the recipient.
How a Croatia IBAN is built
CroatiaIBAN & VAT reference
| Country code | HR |
|---|---|
| IBAN length | 21 characters |
| Example | HR12 1001 0051 8630 0016 0 |
| SEPA member | Yes |
| VAT prefix | HR |
| VAT / tax number | HR + 11 digits (OIB) |
How to check a Croatia IBAN
- 01 Paste the IBAN into the box above — spaces and lower-case are fine, they are normalised for you.
- 02 The checker confirms it starts with HR, is 21 characters, and passes the MOD-97 checksum.
- 03 A valid IBAN is shown formatted in groups of four; any failed check is called out so you know what to fix.
Frequently asked questions
What is the IBAN format for Croatia?
A Croatia IBAN is 21 characters long. It starts with the country code "HR", followed by 2 check digits and the BBAN — 7-digit bank code + 10-digit account number. Example structure: HR12 1001 0051 8630 0016 0 (a sample, not a real account).
How long is a Croatia IBAN?
Exactly 21 characters, including the "HR" country code and the 2 check digits. This length is fixed by the ISO 13616 registry and is the same for every Croatia bank.
What is the VAT number format for Croatia?
Croatia VAT numbers use the prefix "HR": HR + 11 digits (OIB). The VAT number is separate from the IBAN — one identifies the business for tax, the other identifies the bank account.
Does this Croatia IBAN checker upload my data?
No. The validator checks the country code, the 21-character length and the MOD-97 checksum entirely in your browser. Nothing you paste is sent anywhere.