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Hypertension is a serious public health problem, with a significant contribution to global mortality and disability rates. This disease is predicted to continue to increase in the next few years. The aim of this study was to increase the understanding about hypertension and its prevention. The use of Geographic Information Systems (GIS) is important in mapping and treating this disease. Through community service activities in Bandarharjo Village, knowledge about hypertension and prevention efforts can be increased. Discussion method as well as leaflet distribution have proven effective in increasing public understanding about hypertension. Evaluation of the activity showed an increase in participants' knowledge, confirming the importance of this approach in public health education. It is hoped that this activity can have a positive impact in the long term by increasing awareness and preventive measures for hypertension in the community.

Malaria is one of the diseases that is currently affected, but is still a threat and often causes unusual events in NTT province. Malaria in NTT province is the second highest malaria disease in Indonesia after Papua. The method used to analyze the vulnerability to malaria in NTT province is K-Means Clustering. The purpose of analyzing the level of malaria vulnerability is to find out which districts have the highest to lowest vulnerability in NTT province, which is carried out in a geographic information system. The results of the analysis showed tha 7 districts were classified as low malaria vulnerability, 1 district as medium, 12 districts as high and 2 districts as very high. The level of vulnerability can be understood as the level of malaria endemicity.

Knowing Indonesia's unique geographical conditions, various disaster risks have been discovered that will occur. This disaster risk is found in areas that have special conditions, one of which is the Pancer Beach area. Where conditions are close to the beach, various disaster risks definitely arise. That's why preparedness is needed for the surrounding community which is built on an understanding of early warning. Social media representation also plays an important role in the effectiveness of Early Warning System deployment. So research was conducted which aimed to analyze the effectiveness of social media representations used in increasing citizen readiness based on an early warning system. This research method uses a qualitative approach with data collection techniques in the form of in-depth interviews, observation and analysis of documents related to early warning systems. The research results show that the effectiveness of using the media to convey information to citizens is still lacking. This research also found several challenges in the implementation process. Residents who live on the coast and in remote parts of the village have different access to the internet or social media they use. Based on the final analysis, this research recommends strategies related to media collaboration with in-depth representation regarding the dissemination of information and overall participation. So it can increase effectiveness in the process.  

. This research aims to analyze the dynamics of religious spread in the urban areas of Semarang through a spatial analysis approach using Geographic Information System (GIS). By utilizing both secondary and recent primary data, this study delineates the patterns of religious spread across various neighborhoods and districts in Semarang. Through the application of GIS, the research produces thematic maps that vividly visualize the distribution of religions in a spatial context. The analysis results reveal diverse patterns of religious spread, with some areas exhibiting a high concentration of a particular religion while others demonstrate significant religious diversity. The importance of environmental factors in shaping the patterns of religious spread is also discussed in this study. The correlation analysis between the presence of places of worship, religious educational institutions, and other environmental variables provides additional insights into the factors influencing the distribution of religions in Semarang. The conclusions drawn from this research contribute to a deeper understanding of religious diversity in urban Semarang. The implications include the potential formulation of more effective development policies, strengthening tolerance among religious communities, and creating an inclusive environment amid the complexities of social and cultural diversity in the city. This research is expected to serve as a foundation for further studies and aid sustainable decision-making at the local level.

Geographic Information System (GIS) is a type of software that can be used for input, storage, manipulation, display, and output of geographic information and its attributes (Prahasta). Geographic Information Systems have a very important role in combining data, organizing data, conducting data analysis which can ultimately produce data and can be used as a reference for decision making on issues related to geography.

Usaha kecil di bidang kuliner kini banyak bermunculan sebagai tren usaha alternatif menghadapi kemajuan jaman. Setiap lokasi memiliki perbedaan potensi yang mempengaruhi keberhasilan penjualan produk kulinernya. Dibutuhkan strategi untuk mengetahui potensi lokasi usaha agar usaha dapat berjalan dengan baik. Salah satunya dengan pemanfaatan teknologi Geographic Information System (sistem informasi geografis). Tujuan penelitian ini untuk memberi kemudahan dengan melihat potensi lokasi membuat usaha kecil di wilayah Kelurahan Salatiga. Metode penelitian yang digunakan menggunakan metode kualitatif pada bidang sistem informasi yang meliputi beberapa tahapan, antara lain pengumpulan data, reduksi data, analisa data, dan pengujian. Program ini berintegrasi dengan sistem informasi geografis yang dapat diakses dengan mudah secara umum melalui perangkat komputer. Hasil uji program ini menunjukkan hasil yang baik yang ditunjukkan dengan tingkat keberhasilan melalui pengujian dengan nilai rata-rata 85% (di atas 50%). Ini menunjukkan program yang dibuat telah berhasil.