The Workshop Jupyter in GAP and other CAS will take place at the University of St Andrews in Lecture Room 3 in the Gateway building (see its location on OpenStreetMap). The venue is in the basement of the building: When you enter through the main door, turn left and go down the stairs.
For further travel information about getting to St Andrews by air, rail or road, see Visiting St Andrews page.
One option is the St Andrews Premier Inn Hotel. This hotel is located in the southern part of St Andrews and a 25 minute walk from the School of Computer Science.
Alternatively, there is a range of B&Bs in St Andrews with varying prices: single rooms with shared shower facilities are usually available from £40 per night; single en-suite rooms from £50, and double/twin rooms from £85 per night.