Klaten Regency (Javanese: ꦏ꧀ꦭꦛꦺꦤ꧀, romanized: Klathèn) is a regency in Central Java province in Indonesia. It covers an area of 701.52 km and had a population of 1,130,047 at the 2010 Census and 1,260,506 at the 2020 Census; the official estimate as at mid 2023 was 1,284,386 (comprising 639,130 males and 645,256 females). Its administrative centre is in the town of the same name; the town extends over 35.85 km to encompass three of the regency's districts, with a combined total of 135,681 inhabitants in mid 2023; a fourth district (Kalikotes) is part of its urban area.

Klaten borders Boyolali Regency in the North, Sukoharjo Regency and Wonogiri Regency in the East, and the Special Region of Yogyakarta to the South and West. Candi Prambanan, one of the biggest Hindu structures in Indonesia, is in the regency.

The 2006 Yogyakarta earthquake damaged the area, located near the active Mount Merapi volcano in central Java. The 2010 eruptions of Mount Merapi had a great impact on Klaten and its surrounding areas. A few of the victims who were affected by the eruption came from the regency of Klaten. The volcanic eruptions were so loud they caused panic and a rush for residents to seek refuge.

Klaten has a humid (> 0.65 p/pet) climate. The landscape is mostly covered with rainfed croplands, residential areas, and isolated stands of trees. The climate is classified as a Tropical Monsoon (short dry season, monsoon rains other months), with a tropical moist forest biozone. The soil in the area is high in nitosols, and andosols (nt), soil with deep, clay-enriched lower horizon with shiny ped surfaces.

Klaten has a tropical monsoon climate (Am) according to the Köppen climate classification. The average temperature varies little from month to month. October is the warmest with an average temperature of 26.5 °C. July is coldest with an average temperature of 24.8 °C. The wet season has a rainfall peak around January. The dry season centers around August, which has the most sunshine.

The regency government of Klaten was established on 28 October 1950. Its 26 districts (kecamatan) are subdivided into 391 rural villages (desa) and 10 urban villages (kelurahan ). The area includes tourist sites, places of interest, traditional arts, traditional events, and handicraft centers.

Klaten Regency is divided into twenty-six districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2023. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 391 rural desa and 10 urban kelurahan), and its postcode.

Kode Wilayah	Name of District (kecamatan)	Area in km	Pop'n Census 2010	Pop'n Census 2020	Pop'n Estimate mid 2023	Admin centre	No. of villages	Post code
33.10.01	Prambanan	26.09	46,262	52,592	53,839	Prambanan	16	57454
33.10.02	Gantiwarno	26.44	33,735	38,144	38,987	Gantiwarno	16	57455
33.10.03	Wedi	26.26	46,527	51,442	52,270	Wedi	19	57461
33.10.04	Bayat	42.10	52,718	61,191	63,021	Bayat	18	57462
33.10.05	Cawas	35.94	49,840	56,101	57,266	Cawas	20	57463
33.10.06	Trucuk	34.69	69,022	77,206	78,665	Trucuk	18	57467
33.10.23	Kalikotes	14.11	32,316	37,051	38,023	Kalikotes	7	57451
33.10.07	Kebonarum	10.42	17,638	19,289	19,525	Kebonarum	7	57486
33.10.08	Jogonalan	27.59	52,688	59,628	60,962	Jogonalan	18	57452
33.10.09	Manisrenggo	30.60	38,097	43,242	44,247	Manisrenggo	16	57485
33.10.10	Karangnongko	29.49	32,132	36,304	37,098	Karangnongko	14	57483
33.10.22	Ngawen	18.45	39,946	45,235	46,255	Ngawen	13	57466
33.10.11	Ceper	25.77	57,958	64,305	65,366	Ceper	18	57465
33.10.12	Pedan	20.00	42,164	46,942	47,764	Pedan	14	57468
33.10.13	Karangdowo	30.83	38,117	42,515	43,283	Karangdowo	19	57464
33.10.14	Juwiring	30.90	53,087	57,764	58,386	Juwiring	19	57472
33.10.15	Wonosari	33.38	56,903	62,115	62,842	Juwiring	18	57473
33.10.16	Delanggu	20.03	38,911	41,041	41,110	Delanggu	16	57471
33.10.17	Polanharjo	25.22	36,058	40,065	40,743	Polanharjo	18	57474
33.10.18	Karanganom	25.62	40,312	45,219	46,111	Karanganom	19	57475
33.10.19	Tulung	34.44	44,974	51,850	53,296	Tulung	18	57482
33.10.20	Jatinom	37.11	52,249	58,953	60,219	Jatinom	18	57481
33.10.21	Kemalang	60.19	34,006	38,547	39,427	Kemalang	13	57484
33.10.26	Klaten Selatan (South Klaten)	15.09	40,699	44,316	44,802	Klaten Selatan	12	57421 - 57426
33.10.25	Klaten Tengah (Central Klaten)	9.59	39,522	40,421	41,067	Klaten Tengah	9	57411 - 57419
33.10.24	Klaten Utara (North Klaten)	11.17	44,266	49,028	49,812	Klaten Utara	8	57432 - 57438
	Totals	701.52	1,130,047	1,260,506	1,284,386	Klaten	401

Notes: (a) except the desa of Wonosari (which has a postcode of 57473). (b) including kelurahan of Jatinom. (c) including kelurahan of Gayamprit.
(d) including 6 kelurahan of Bareng, Buntalan, Kabupaten, Klaten, Mojayan and Tonggalan. (e) including 2 kelurahan of Bareng Lor and Gergunung.

Tourist objects in Klaten Regency are

1. Sewu Prambanan Temple, is a traditional cultural tourism, and traditional ceremony that is potential.
2. Deles Indah Nature [id], is located in the' slope of Mount Merapi, exactly in Sidorejo Village of Kemalang District [id].
3. Jombor [id] swamp, is located in Krakitan Village [id] of Bayat District [id].
4. Nilo and Ponggok Water source, is located in a fishing area of Janti, Janti Village [id], Polanharjo District [id] and Pongkok water source in Dukuh Nganjat [id] Pongkok Village [id] of Polanharjo District.
5. Ki Ageng Pandanaran Graveyard in Paseban Village, Bayat District.

In addition there is a ceremonial festival using kue apam in Jatinom [id] each year.

• (in Indonesian) Official website
• (in Indonesian) twitter account for information and community in Klaten
• (in Indonesian) Photos around Klaten
• (in Indonesian) Forum Komunitas dan Komunikasi Warga Klaten