HU - Hungary

Hungary is divided into 19 Counties, called "Megyék" in hungarian language, plus the Capital City Budapest for a total of 20 Entities. They are grouped into call-areas as shown in the map.

To detect the County you can use Wikipedia.

REFERENCE	DESCRIPTION	PFX	DXCC	EURA CODE
EUCC-HU-BA	County of Baranya	HA3	239	EURA-220
EUCC-HU-BE	County of Bekes	HA8	239	EURA-221
EUCC-HU-BN	County of Bacs-Kiskun	HA8	239	EURA-221
EUCC-HU-BO	County of Borsod-Abauj-Zemplen	HA9	239	EURA-223
EUCC-HU-BP	City of Budapest	HA5	239	EURA-219
EUCC-HU-CS	County of Csongrad	HA8	239	EURA-221
EUCC-HU-FE	County of Fejer	HA4	239	EURA-218
EUCC-HU-GY	County of Gyor-Moson-Sopron	HA1	239	EURA-217
EUCC-HU-HA	County of Hajdu-Bihar	HA0	239	EURA-223
EUCC-HU-HE	County of Heves	HA6	239	EURA-222
EUCC-HU-KO	County of Komarom-Esztergom	HA2	239	EURA-218
EUCC-HU-NG	County of Nograd	HA6	239	EURA-222
EUCC-HU-PE	County of Pest	HA7	239	EURA-222
EUCC-HU-SA	County of Szabolcs-Szatmar-Bereg	HA0	239	EURA-223
EUCC-HU-SO	County of Somogy	HA3	239	EURA-220
EUCC-HU-SZ	County of Jasz-Nagykun-Szolnok	HA7	239	EURA-222
EUCC-HU-TO	County of Tolna	HA3	239	EURA-220
EUCC-HU-VA	County of Vas	HA1	239	EURA-217
EUCC-HU-VE	County of Veszprem	HA2	239	EURA-218
EUCC-HU-ZA	County of Zala	HA1	239	EURA-217

This eQSL shows the QTH: Lajosmizse.

Put this info into the search engine of Wikipedia and you will find this:

The County is Bacs-Kiskun, code HU-BN